# Copyright 2022 Cerebras Systems.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from abc import ABC, abstractmethod


class BaseDataset(ABC):
    @abstractmethod
    def __getitem__(self, index):
        pass

    @abstractmethod
    def __len__(self):
        pass

    @abstractmethod
    def __repr__(self):
        pass

    @staticmethod
    @abstractmethod
    def display_sample(features_dict):
        """
        Function to display features dict in human readable format.
        For ex: for object detection, show image with bounding boxes.
        """
